Sliding collar for a parasol



1.1 is a right side view of a sliding collar for a parasol showing a first embodiment of my new design;

1.2 is a front view thereof;

1.3 is a left side view thereof;

1.4 is a rear view thereof;

1.5 is a perspective top, right side view thereof;

2.1 is a right side view of a sliding collar for a parasol showing a second embodiment of my new design;

2.2 is a front view thereof;

2.3 is a left side view thereof;

2.4 is a rear view thereof;

2.5 is a perspective top, right side view thereof;

3.1 is a right side view of a sliding collar for a parasol showing a third embodiment of my new design;

3.2 is a front view thereof;

3.3 is a left side view thereof;

3.4 is a rear view thereof; and

3.5 is a perspective top, right side view thereof.

The broken line showing of a pole and ribs is for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM I claim the ornamental design for a sliding collar for a parasol, as shown and described. 